EP3303164B1 - Smooth pour directionless liquid dispenser - Google Patents
Smooth pour directionless liquid dispenser Download PDFInfo
- Publication number
- EP3303164B1 EP3303164B1 EP16730505.1A EP16730505A EP3303164B1 EP 3303164 B1 EP3303164 B1 EP 3303164B1 EP 16730505 A EP16730505 A EP 16730505A EP 3303164 B1 EP3303164 B1 EP 3303164B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid
- spout
- pourer
- opening
- openings
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000007788 liquid Substances 0.000 title claims description 117
- 230000015572 biosynthetic process Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000013022 venting Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/32—Closures with discharging devices other than pumps with means for venting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/38—Devices for discharging contents
- B65D25/40—Nozzles or spouts
- B65D25/42—Integral or attached nozzles or spouts
- B65D25/44—Telescopic or retractable nozzles or spouts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
- B65D47/061—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages with telescopic, retractable or reversible spouts, tubes or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2205/00—Venting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
- B65D2517/0001—Details
- B65D2517/0047—Provided with additional elements other than for closing the opening
- B65D2517/0049—Straws, spouts, funnels, or other devices facilitating pouring or emptying
Definitions
- the present invention in some embodiments thereof, relates to a smooth pour directionless liquid dispenser and, more particularly, but not exclusively, to such a dispenser that is easy to mould and which can be fixed onto cans or bottles using legacy machinery.
- U.S. Patent No. 6,026,994 to the present inventor describes a retractable spout assembly for application to the neck of a bottle to be closed by a cap.
- the assembly includes a sleeve-like housing fixedly receivable within the bottle neck, and a spout movable within the housing from a retracted position, when the housing is fixed within the bottle neck and the bottle neck closed by the cap, to an extended position projecting outwardly of the housing and the bottle neck for pouring out contents of the bottle.
- the assembly further includes a spring biasing the spout to its extended position. Such a spring could be omitted, whereupon the spout would be manually movable to its extended position upon removal of the cap.
- the retractable spout assembly further includes an air-return passageway for returning air into the bottle when its contents are being poured out through the spout.
- a can spout that allows the can to be reclosed is discussed in International Patent Application No. PCT/IL2014/050415 , published as WO-A-2014/181337 .
- a spout is typically positioned near the periphery of the end wall (off-center) to facilitate smooth, continuous and controlled flow from the spout. The off-center position improves air inflow through the spout when the can is tilted for pouring.
- a can-type spout assembly which includes an integrated air inflow tube circumferentially offset from the pouring end of the spout is described.
- the spout assembly can be rotated within an opening in an end wall of the can to position the pouring end of the spout while maintaining the offset between the spout and air return passageway thereby maximizing air inflow into the container during pouring.
- the reason for making the spout rotatable is that the air intake needs to be above the liquid level when pouring, and current machinery is unable to guarantee an orientation of the spout when placing the spout on the can.
- cans are generally shaped so that pouring can only be successful from a certain direction.
- the end of the spout needs to be a certain distance from the body of the container, otherwise the liquid spreads to the body of the container instead of pouring.
- the present embodiments address the above issues.
- US 3 040 938 to Wayne Smith Rulo discloses a pouring spout assembly comprising a tubular portion superimposed upon a frusto-conical section at its minor circumference, mounting means for securing the conical section at its major circumference in overlying relation to the discharge opening of a tiltable container, a sleeve having members extending into the tubular portion "supporting the sleeve concentrically therewith and with one of its ends axially spaced from the adjacent end of the tubular portion, the other end of the sleeve being flanged outwardly Ito engage the conical portion at its major circumference, the flanged end of the sleeve having a series of equally spaced notches therein, the sleeve having an outside diameter slightly less than the inside diameter of the tubular portion whereby upon tilting of the container into pouring position a venting air passage is maintained in the tubular portion and "between the sleeve and the conical section which communicates with those of
- GB 2 055 088 to Rieke Corp discloses a cap-like closure device for a container of the type including a flexible spout member having a substantially cylindrical top rim portion and an outer edge portion and extendable from a nested orientation to a pouring orientation, an anchor ring for securing the outer edge portion of the flexible spout member to the container, a first cap for engaging the top rim portion and closing the spout member, and a tamper-proof cap disposed over and removable from the top of the first cap, wherein an interior annular groove is disposed in a top lip portion of the first cap and opens downwardly toward the top rim portion of the flexible spout member, the interior annular groove having a diameter size substantially equal to the diameter size of the top rim portion and being suitably arranged for receipt of the top rim portion therein.
- GB 2 055 772 to Rieke Corp discloses a venting device for use with a container pour spout to allow the entry of air at a location exterior to the exiting fluid flow stream comprises: a hollow central body portion having a top end, a base and an interior passageway extending therethrough; and a substantially flat flange portion integral with the base and including a spaced plurality of outwardly radiating ribs.
- US 2 785 839 discloses a universal dispensing closure comprising a body, an internally threaded skirt on the body for threaded engagement with the neck of a bottle, an axially disposed projection integral with the body and extending beyond the skirt, a dispensing aperture extending through the projection and body axially thereof and terminating in a cup shaped recess in the outer face of the body, threads in the aperture, the inner portion of the aperture being flared and having a plurality of circumferentially arranged grooves in the inner surface of the flared portion to provide an enlarged entrance opening in the inner end of the projection, a plurality of circumferentially arranged vent passages in the projection extending from the inner end and terminating in the recess around the aperture, the passages being disposed between the grooves, a seat on the outer surface of the body surrounding the recess, a closure member having a reduced threaded extension for threadedly engaging in the aperture to close the same and a sealing gasket received on the extension for engaging the seat to
- the present embodiments provide a structure that separates air flow from liquid flow as the liquid is poured out of the container and air flows back to take the place of the outgoing liquid. Separation of the air flow may provide management of bubble formation.
- a liquid pourer for a container of liquid according to claim 1.
- the extensions are longitudinal fins arranged cylindrically and the airflow openings are slits between the fins.
- the first openings comprise slits in the liquid uptake structure towards the upper end.
- liquid flow into the spout is from some of the first openings, from between the extensions and the ring and from within the ring and bubble formation is outside of the extensions and between the ring and the extensions.
- liquid flow into the spout is from some of the first openings, from submerged ones of the second openings and from the third opening and bubble formation is outside of non-submerged ones of the second openings.
- the telescopic spout is tensioned to extend upon opening, for example with a tensioning means, in particular a coiled spring.
- an end of the telescopic spout is connected to a cap such as to be pulled to an extended position upon opening of the cap.
- the rim comprises a snap fit structure.
- the snap fit structure comprises an upper rim part extending radially beyond the opening, a wall extending radially to fit tightly within the opening and a lower rim extending beyond the wall to fit past the opening in a snapping movement and to prevent easy removal from the opening.
- a container having a liquid pourer of the kind described above the container for example being an aluminium can, a jerrycan, a bottle, or any other kind of liquid container and/or may be square, rectangular, or cylindrical in cross section.
- a method of providing a smooth pour liquid container comprising obtaining a liquid pourer as described above, and attaching the liquid pourer to a liquid container.
- a method of 30 smoothly pouring a liquid comprising obtaining a liquid container having a liquid pourer as described above, opening the pourer and pouring the liquid.
- the present invention in some embodiments thereof, relates to a smooth pour directionless spout and, more particularly, but not exclusively, to such a spout that is easy to mould and which can be fixed onto cans or bottles using legacy machinery.
- a liquid pourer which can be attached to cans, jerry cans, bottles etc, comprises a spout and a liquid uptake structure aligned to provide liquid to the spout from a container.
- a liquid uptake structure is aligned to provide liquid from the container to the spout and has first openings radially distributed at the spout end, second openings radially distributed around the container end and a third opening centrally located at the container end.
- the liquid uptake structure provides an airflow path through the second openings and a principle liquid flow path separate from the airflow path through the third opening, thus separating the two flow paths and providing a smooth pour.
- Figures 1A - 1F illustrate a liquid uptake structure in an extended position from different angles and including a cross section.
- Figures 2A - 2F show the same liquid uptake structure in a contracted state
- Figure 3 is an exploded diagram of the liquid uptake structure. The same part numbers are used throughout the figures.
- a liquid dispenser or pourer 10 is designed to be fixed into openings in cans or bottles, and is intended to direct liquid smoothly out of the container in a smooth pour without causing jumps or interruptions.
- the smooth pour may be achieved by the way in which air is introduced into the container to replace the exiting liquid.
- the dispenser comprises a telescopic spout 12 that includes two telescoping sections 14 and 16.
- Spring 15 may be located to tension the spout parts to separate.
- upper flange 17 of upper spout section 14 may be engaged within cap 19 so that the spout is opened by removing the cap.
- a liquid uptake structure 18 is aligned with the spout to direct liquid from the container into spout 12, as will be described in greater detail below.
- the structure comprises airflow openings 20 radially distributed around the structure and extensions 22 radially distributed around the structure and extending towards the interior of the container to guide airflow and thus bubble formation away from the liquid path.
- the extensions 22 are in the form of teeth or fins and the airflow openings 20 are gaps or slits between the teeth.
- the extensions may be continuous around the structure, forming a cylinder, and the airflow openings may be openings or holes in the extensions.
- the liquid uptake structure 18 includes a ring 24 facing towards the interior of the container, located radially inward of the extensions.
- the ring 24 is located adjacent to the ends of the extensions or inwardly towards the interior of the container or further out towards the spout.
- Ring 24 provides a barrier preventing bubbles forming over the extensions 22 from reaching and thus blocking the flow path inside the ring, and thus prevents the gurgling effect well known with pouring from bottles.
- the gurgling effect is generally caused by air entering to replace the poured liquid and forming bubbles which temporarily stop the pour and then burst.
- liquid flow into the spout is from whichever of the openings or slits are lower down, from the gap between the extensions and the ring and from within the ring.
- Air flows through the slits or openings on the upper side, and forms bubbles away around the ends of the extensions.
- the bubbles try to extend towards the middle but encounter the ring, whose edge acts to limit further extension of the bubble.
- bubble formation is restricted to the area radially outside of the extensions and between the ring and the extensions but is prevented from extending inside the ring.
- Telescoping section 16 supports spout 12 in line with liquid uptake structure 18 and further includes a stepped construction 28 for fitting onto an opening in the container.
- the embodiment illustrated is designed for insertion into a can.
- the stepped construction includes an outer rim 30, a step 32 and a snap fit lip 34 which prevents the dispenser from being easily removed once fitted.
- FIG. 4 is a simplified flow chart showing a method of smoothly dispensing liquid from a container via a single opening which comprises separating the opening into separate liquid and air return paths.
- the container with a single opening is provided 40, which is then divided 42 using a first circumferential divider into the separate paths, so that the air return path extends circumferentially around the liquid path, although of course air only flows on the side not occupied by the liquid.
- the air return path is liable to bubble formation, so that a second, radially separated inner ring is provided 44 concentrically inwardly of the circumferential divider to provide a bubble formation edge.
- the inner ring provides an inner extent beyond which the end of the bubble is prevented from passing.
- the outer cylindrical divider comprises a cylindrical extension surrounding the liquid path and having openings radially distributed around the ring, either as slits or as holes, to form part of the air passage.
- Figures 5 and 6 schematically illustrate bubble formation between extension 22 of the first circumferential divider and edge 50 of ring 24.
- the bubble 54 grows outwardly towards the center of the flow path of the liquid, but bubble growth is arrested by edge 50, and does not substantially enter the region within the ring 24.
- the effect is to prevent the bubble from interfering with flow and thus does away with the familiar gurgling sound of liquid pouring from a container.
- FIG. 7 is a simplified diagram illustrating an embodiment of the present invention in which the airflow openings 20 for allowing the air to circulate are holes 60 in a continuous outer cylinder structure 62.
- the continuous outer cylinder structure replaces the extensions 22 of the previous embodiments.
- the remainder of the structure is the same as in the previous embodiments and is given the same reference numerals.
- Figures 8A - 8F illustrate a liquid uptake structure according to a further embodiment of the present invention.
- the embodiment is shown in Figures 8A - 8F in an extended position from different angles and including a cross section.
- Figures 9A - 9F show the same liquid uptake structure in a contracted state
- Figure 10 is an exploded diagram of the liquid uptake structure. The same part numbers are used throughout the figures.
- a liquid dispenser or pourer 110 is designed to be fixed into openings in cans or bottles, and is intended to direct liquid smoothly out of the container in a smooth pour without causing jumps or interruptions.
- the smooth pour may be achieved by the way in which air is introduced into the container to replace the exiting liquid.
- the dispenser comprises a telescopic spout 112 that includes two telescoping sections 114 and 116.
- Spring 115 may be located to tension the spout parts to separate.
- upper flange 117 of upper spout section 114 may be engaged within cap 119 so that the spout is opened by removing the cap.
- a liquid uptake structure 118 is aligned with the spout to direct liquid from the container into spout 112, as will be described in greater detail below.
- the structure comprises basal liquid openings 120 which in the present embodiment are radially distributed around the base of the spout structure, typically in the form of slits. Either water or air can pass through the slits but the width of the slits is too small to allow for bubble formation.
- a main liquid entry opening 122 at the base of the structure leading centrally towards the interior of the container to guide liquid flow.
- the basal liquid openings 120 are too narrow, bubbles are unable to pass through, and thus flow forward to bubble openings 124 distributed radially around the end of the spout that is at least partly immersed in the liquid being drawn.
- the bubble openings 124 are smaller than in the embodiment of Figures 1A - 1F and thus the bubbles which escape through them are smaller and less prone to disrupt smooth liquid flow.
- the radial holes allow for the bubbles to escape towards the radial edge of the spout and thus the airflow and bubbles are kept away from the main liquid path.
- the liquid uptake structure 118 may further include a ring 125 having a radial thickness located inward of the bubble openings 124 and defining a radial separation between central opening 122 and the bubble openings 124.
- the ring 125 may be located adjacent to the ends of the bubble openings. Ring 125 provides a barrier preventing bubbles forming over the extensions 122 from reaching and thus blocking the flow path inside the ring, and thus prevents the gurgling effect well known with pouring from bottles.
- the gurgling effect is generally caused by air entering to replace the poured liquid and forming bubbles which temporarily stop the pour and then burst.
- liquid flow into the spout is from whichever of the openings or slits are lower down, from the gap between the extensions and the ring and from within the ring.
- Air flows through the bubble openings 124 and forms bubbles away around the main liquid flow through opening 122.
- the ring 125 acts as a barrier and although the bubbles can reach inward, they have little effect within the radius of ring 125. Thus bubble formation is restricted away from the main liquid flow.
- Telescoping section 116 supports spout 112 in line with liquid uptake structure 118 and further includes a stepped construction 128 for fitting onto an opening in the container.
- the embodiment illustrated is designed for insertion into a can.
- the stepped construction includes an outer rim 130, a step 132 and a snap fit lip 134 which prevents the dispenser from being easily removed once fitted.
- the pourer is suitable for any liquid container that requires pouring, including jerrycans, bottles, liquid dispensers and the like.
- the pourer provides a clear path for the liquid being poured and a clear path for the air that needs to replace the poured liquid, wherein the liquid and the air paths do not interfere with each other.
- the pourer may provide a smooth pour with minimal splashing or dripping, and prevention of gurgling.
Description
- The present invention, in some embodiments thereof, relates to a smooth pour directionless liquid dispenser and, more particularly, but not exclusively, to such a dispenser that is easy to mould and which can be fixed onto cans or bottles using legacy machinery.
-
U.S. Patent No. 6,026,994 to the present inventor, describes a retractable spout assembly for application to the neck of a bottle to be closed by a cap. The assembly includes a sleeve-like housing fixedly receivable within the bottle neck, and a spout movable within the housing from a retracted position, when the housing is fixed within the bottle neck and the bottle neck closed by the cap, to an extended position projecting outwardly of the housing and the bottle neck for pouring out contents of the bottle. To make the spout automatically extendible upon removing the cap, the assembly further includes a spring biasing the spout to its extended position. Such a spring could be omitted, whereupon the spout would be manually movable to its extended position upon removal of the cap. - In either case, the retractable spout assembly further includes an air-return passageway for returning air into the bottle when its contents are being poured out through the spout.
- Prior
U.S. Patent No. 6,976,610 , also to the present inventor, describes improvements in the construction of that retractable spout assembly which not only make the assembly more compact in construction and more reliable in operation but, by including a connector disc, also enable the assembly to be accommodated by existing bottle-capping machines so that virtually no change is required in such expensive machines to enable them also to be used for applying caps incorporating retractable spout assemblies. - There are many flowable materials, however, that are provided not in bottles, but rather in cans or other similar type containers, such as those including cylindrical sidewalls closed at their opposite ends by end walls. In order to dispense contents from the container, it is necessary to puncture one of the end walls. For this purpose, the end walls to be punctured is generally provided with a tab which is to be grasped and forcibly moved in order to puncture the end wall. Previously, such tabs were forcibly pulled out of the end wall to form the opening, but for health and safety purposes at the present time such tabs are merely pivoted to puncture the end wall and remain attached to the end wall. In either case, considerable force is needed in order to puncture the end wall, and moreover, when the end wall has thus been punctured, the container can no longer be reclosed.
- A can spout that allows the can to be reclosed, is discussed in International Patent Application No.
PCT/IL2014/050415 WO-A-2014/181337 . A spout is typically positioned near the periphery of the end wall (off-center) to facilitate smooth, continuous and controlled flow from the spout. The off-center position improves air inflow through the spout when the can is tilted for pouring. A can-type spout assembly which includes an integrated air inflow tube circumferentially offset from the pouring end of the spout is described. The spout assembly can be rotated within an opening in an end wall of the can to position the pouring end of the spout while maintaining the offset between the spout and air return passageway thereby maximizing air inflow into the container during pouring. The reason for making the spout rotatable is that the air intake needs to be above the liquid level when pouring, and current machinery is unable to guarantee an orientation of the spout when placing the spout on the can. - However the end user may not realize that the spout needs to be oriented before pouring, or may find it inconvenient or difficult to reorient the spout or may not choose the correct direction. Nevertheless, cans are generally shaped so that pouring can only be successful from a certain direction.
- Also for a smooth pour, especially with a viscous liquid, the end of the spout needs to be a certain distance from the body of the container, otherwise the liquid spreads to the body of the container instead of pouring.
- The present embodiments address the above issues.
-
US 3 040 938 to Wayne Smith Rulo discloses a pouring spout assembly comprising a tubular portion superimposed upon a frusto-conical section at its minor circumference, mounting means for securing the conical section at its major circumference in overlying relation to the discharge opening of a tiltable container, a sleeve having members extending into the tubular portion "supporting the sleeve concentrically therewith and with one of its ends axially spaced from the adjacent end of the tubular portion, the other end of the sleeve being flanged outwardly Ito engage the conical portion at its major circumference, the flanged end of the sleeve having a series of equally spaced notches therein, the sleeve having an outside diameter slightly less than the inside diameter of the tubular portion whereby upon tilting of the container into pouring position a venting air passage is maintained in the tubular portion and "between the sleeve and the conical section which communicates with those of the notches remaining unsubmerged, the uniform disposition of the notches around the flanged end of the sleeve permitting the venting passage to be maintained during pouring independently of the orientation of the spout assembly on the container. -
GB 2 055 088 to Rieke Corp -
GB 2 055 772 to Rieke Corp -
US 2 785 839 discloses a universal dispensing closure comprising a body, an internally threaded skirt on the body for threaded engagement with the neck of a bottle, an axially disposed projection integral with the body and extending beyond the skirt, a dispensing aperture extending through the projection and body axially thereof and terminating in a cup shaped recess in the outer face of the body, threads in the aperture, the inner portion of the aperture being flared and having a plurality of circumferentially arranged grooves in the inner surface of the flared portion to provide an enlarged entrance opening in the inner end of the projection, a plurality of circumferentially arranged vent passages in the projection extending from the inner end and terminating in the recess around the aperture, the passages being disposed between the grooves, a seat on the outer surface of the body surrounding the recess, a closure member having a reduced threaded extension for threadedly engaging in the aperture to close the same and a sealing gasket received on the extension for engaging the seat to close the recess. - The present embodiments provide a structure that separates air flow from liquid flow as the liquid is poured out of the container and air flows back to take the place of the outgoing liquid. Separation of the air flow may provide management of bubble formation.
- According to an aspect of some embodiments of the present invention there is provided a liquid pourer for a container of liquid according to
claim 1. - In an embodiment, the extensions are longitudinal fins arranged cylindrically and the airflow openings are slits between the fins.
- In an embodiment, the first openings comprise slits in the liquid uptake structure towards the upper end.
- In an embodiment, liquid flow into the spout is from some of the first openings, from between the extensions and the ring and from within the ring and bubble formation is outside of the extensions and between the ring and the extensions.
- In an embodiment, liquid flow into the spout is from some of the first openings, from submerged ones of the second openings and from the third opening and bubble formation is outside of non-submerged ones of the second openings.
- In an embodiment, the telescopic spout is tensioned to extend upon opening, for example with a tensioning means, in particular a coiled spring.
- In an embodiment, an end of the telescopic spout is connected to a cap such as to be pulled to an extended position upon opening of the cap.
- In an embodiment, the rim comprises a snap fit structure.
- In an embodiment, the snap fit structure comprises an upper rim part extending radially beyond the opening, a wall extending radially to fit tightly within the opening and a lower rim extending beyond the wall to fit past the opening in a snapping movement and to prevent easy removal from the opening.
- According to a further aspect of the present invention there is provided a container having a liquid pourer of the kind described above, the container for example being an aluminium can, a jerrycan, a bottle, or any other kind of liquid container and/or may be square, rectangular, or cylindrical in cross section.
- According to another aspect of the present invention there is provided a method of providing a smooth pour liquid container comprising obtaining a liquid pourer as described above, and attaching the liquid pourer to a liquid container.
- According to yet another aspect of the present invention there is provided a method of 30 smoothly pouring a liquid, comprising obtaining a liquid container having a liquid pourer as described above, opening the pourer and pouring the liquid.
- Unless otherwise defined, all technical and/or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the invention pertains. Although methods and materials similar or equivalent to those described herein can be used in the practice or testing of embodiments of the invention, exemplary methods and/or materials are described below. In case of conflict, the patent specification, including definitions, will control. In addition, the materials, methods, and examples are illustrative only and are not intended to be necessarily limiting. The invention is defined in the claims.
- Some embodiments of the invention are herein described, by way of example only, with reference to the accompanying drawings. With specific reference now to the drawings in detail, it is stressed that the particulars shown are by way of example and for purposes of illustrative discussion of embodiments of the invention. In this regard, the description taken with the drawings makes apparent to those skilled in the art how embodiments of the invention may be practiced.
- In the drawings:
-
FIGs. 1A to 1F are simplified schematic views of a liquid pourer of the present embodiments with the spout in the closed position; -
FIGs. 2A to 2F are simplified schematic views of a liquid pourer of the embodiment ofFIGs. 1A to 1F with the spout in the open position; -
FIG. 3 is a simplified exploded diagram of a liquid pourer according to the of the embodiment ofFIGs. 1A to 1F ; -
FIG. 4 is a simplified flow chart of a process of manufacturing the pourer; -
FIGs. 5 and 6 are simplified diagrams explaining bubble formation in a pourer according to the present embodiments; -
FIG. 7 is a simplified diagram illustrating a pourer according to the present embodiments wherein the air openings are holes; -
FIGs. 8A to 8F are simplified schematic views of a liquid pourer of a further embodiment of the present invention with the spout in the closed position; -
FIGs. 9A to 9F are simplified schematic views of a liquid pourer of the embodiment ofFIGs. 8A to 8F with the spout in the open position; -
FIG. 10 is a simplified exploded diagram of a liquid pourer according to the embodiment ofFIGs. 8A to 8F . - The present invention, in some embodiments thereof, relates to a smooth pour directionless spout and, more particularly, but not exclusively, to such a spout that is easy to mould and which can be fixed onto cans or bottles using legacy machinery.
- A liquid pourer, which can be attached to cans, jerry cans, bottles etc, comprises a spout and a liquid uptake structure aligned to provide liquid to the spout from a container. A liquid uptake structure is aligned to provide liquid from the container to the spout and has first openings radially distributed at the spout end, second openings radially distributed around the container end and a third opening centrally located at the container end. The liquid uptake structure provides an airflow path through the second openings and a principle liquid flow path separate from the airflow path through the third opening, thus separating the two flow paths and providing a smooth pour.
- Before explaining at least one embodiment of the invention in detail, it is to be understood that the invention is not necessarily limited in its application to the details of construction and the arrangement of the components and/or methods set forth in the following description and/or illustrated in the drawings and/or the Examples. The invention is capable of other embodiments or of being practiced or carried out in various ways. The actual invention is defined in the claims.
- Referring now to the drawings,
Figures 1A - 1F illustrate a liquid uptake structure in an extended position from different angles and including a cross section.Figures 2A - 2F show the same liquid uptake structure in a contracted state, andFigure 3 is an exploded diagram of the liquid uptake structure. The same part numbers are used throughout the figures. - A liquid dispenser or
pourer 10 is designed to be fixed into openings in cans or bottles, and is intended to direct liquid smoothly out of the container in a smooth pour without causing jumps or interruptions. The smooth pour may be achieved by the way in which air is introduced into the container to replace the exiting liquid. - The dispenser comprises a
telescopic spout 12 that includes twotelescoping sections Spring 15 may be located to tension the spout parts to separate. Alternativelyupper flange 17 ofupper spout section 14 may be engaged withincap 19 so that the spout is opened by removing the cap. - A
liquid uptake structure 18 is aligned with the spout to direct liquid from the container intospout 12, as will be described in greater detail below. The structure comprisesairflow openings 20 radially distributed around the structure andextensions 22 radially distributed around the structure and extending towards the interior of the container to guide airflow and thus bubble formation away from the liquid path. In the embodiment illustrated inFigures 1A - 3 theextensions 22 are in the form of teeth or fins and theairflow openings 20 are gaps or slits between the teeth. In other embodiments the extensions may be continuous around the structure, forming a cylinder, and the airflow openings may be openings or holes in the extensions. - The
liquid uptake structure 18 according to the invention includes aring 24 facing towards the interior of the container, located radially inward of the extensions. Thering 24 is located adjacent to the ends of the extensions or inwardly towards the interior of the container or further out towards the spout.Ring 24 provides a barrier preventing bubbles forming over theextensions 22 from reaching and thus blocking the flow path inside the ring, and thus prevents the gurgling effect well known with pouring from bottles. The gurgling effect is generally caused by air entering to replace the poured liquid and forming bubbles which temporarily stop the pour and then burst. - That is to say, liquid flow into the spout is from whichever of the openings or slits are lower down, from the gap between the extensions and the ring and from within the ring. Air, on the other hand, flows through the slits or openings on the upper side, and forms bubbles away around the ends of the extensions. The bubbles try to extend towards the middle but encounter the ring, whose edge acts to limit further extension of the bubble. Thus bubble formation is restricted to the area radially outside of the extensions and between the ring and the extensions but is prevented from extending inside the ring.
- Telescoping
section 16 supports spout 12 in line withliquid uptake structure 18 and further includes a steppedconstruction 28 for fitting onto an opening in the container. The embodiment illustrated is designed for insertion into a can. The stepped construction includes anouter rim 30, astep 32 and a snapfit lip 34 which prevents the dispenser from being easily removed once fitted. - Reference is now made to
Figure 4 , which is a simplified flow chart showing a method of smoothly dispensing liquid from a container via a single opening which comprises separating the opening into separate liquid and air return paths. The container with a single opening is provided 40, which is then divided 42 using a first circumferential divider into the separate paths, so that the air return path extends circumferentially around the liquid path, although of course air only flows on the side not occupied by the liquid. The air return path is liable to bubble formation, so that a second, radially separated inner ring is provided 44 concentrically inwardly of the circumferential divider to provide a bubble formation edge. The inner ring provides an inner extent beyond which the end of the bubble is prevented from passing. The outer edge of the bubble is rather caused to cling to the inner ring as a point of minimal energy, thus making sure that the bubbles do not interfere with the passage of liquid. As discussed, the outer cylindrical divider comprises a cylindrical extension surrounding the liquid path and having openings radially distributed around the ring, either as slits or as holes, to form part of the air passage. -
Figures 5 and 6 schematically illustrate bubble formation betweenextension 22 of the first circumferential divider and edge 50 ofring 24. - In
Figure 5 air flowing in the direction ofarrow 52 emerges fromopenings 20, and abubble 54 begins to form, typically towards the end of the edge. - In
Figure 6 thebubble 54 grows outwardly towards the center of the flow path of the liquid, but bubble growth is arrested byedge 50, and does not substantially enter the region within thering 24. The effect is to prevent the bubble from interfering with flow and thus does away with the familiar gurgling sound of liquid pouring from a container. - Reference is now made to
Figure 7 , which is a simplified diagram illustrating an embodiment of the present invention in which theairflow openings 20 for allowing the air to circulate areholes 60 in a continuousouter cylinder structure 62. The continuous outer cylinder structure replaces theextensions 22 of the previous embodiments. The remainder of the structure is the same as in the previous embodiments and is given the same reference numerals. -
Figures 8A - 8F illustrate a liquid uptake structure according to a further embodiment of the present invention. The embodiment is shown inFigures 8A - 8F in an extended position from different angles and including a cross section.Figures 9A - 9F show the same liquid uptake structure in a contracted state, andFigure 10 is an exploded diagram of the liquid uptake structure. The same part numbers are used throughout the figures. - A liquid dispenser or
pourer 110 is designed to be fixed into openings in cans or bottles, and is intended to direct liquid smoothly out of the container in a smooth pour without causing jumps or interruptions. As with the previous embodiment, the smooth pour may be achieved by the way in which air is introduced into the container to replace the exiting liquid. - The dispenser comprises a
telescopic spout 112 that includes twotelescoping sections Spring 115 may be located to tension the spout parts to separate. Alternativelyupper flange 117 ofupper spout section 114 may be engaged withincap 119 so that the spout is opened by removing the cap. - A
liquid uptake structure 118 is aligned with the spout to direct liquid from the container intospout 112, as will be described in greater detail below. The structure comprises basalliquid openings 120 which in the present embodiment are radially distributed around the base of the spout structure, typically in the form of slits. Either water or air can pass through the slits but the width of the slits is too small to allow for bubble formation. A main liquid entry opening 122 at the base of the structure leading centrally towards the interior of the container to guide liquid flow. As the basalliquid openings 120 are too narrow, bubbles are unable to pass through, and thus flow forward tobubble openings 124 distributed radially around the end of the spout that is at least partly immersed in the liquid being drawn. Thebubble openings 124 are smaller than in the embodiment ofFigures 1A - 1F and thus the bubbles which escape through them are smaller and less prone to disrupt smooth liquid flow. The radial holes allow for the bubbles to escape towards the radial edge of the spout and thus the airflow and bubbles are kept away from the main liquid path. - The
liquid uptake structure 118 may further include aring 125 having a radial thickness located inward of thebubble openings 124 and defining a radial separation betweencentral opening 122 and thebubble openings 124. Thering 125 may be located adjacent to the ends of the bubble openings.Ring 125 provides a barrier preventing bubbles forming over theextensions 122 from reaching and thus blocking the flow path inside the ring, and thus prevents the gurgling effect well known with pouring from bottles. The gurgling effect is generally caused by air entering to replace the poured liquid and forming bubbles which temporarily stop the pour and then burst. - That is to say, liquid flow into the spout is from whichever of the openings or slits are lower down, from the gap between the extensions and the ring and from within the ring. Air, on the other hand, flows through the
bubble openings 124 and forms bubbles away around the main liquid flow throughopening 122. Thering 125 acts as a barrier and although the bubbles can reach inward, they have little effect within the radius ofring 125. Thus bubble formation is restricted away from the main liquid flow. -
Telescoping section 116 supports spout 112 in line withliquid uptake structure 118 and further includes a steppedconstruction 128 for fitting onto an opening in the container. The embodiment illustrated is designed for insertion into a can. The stepped construction includes anouter rim 130, astep 132 and a snapfit lip 134 which prevents the dispenser from being easily removed once fitted. - As well as aluminum or tin cans, the pourer is suitable for any liquid container that requires pouring, including jerrycans, bottles, liquid dispensers and the like. The pourer provides a clear path for the liquid being poured and a clear path for the air that needs to replace the poured liquid, wherein the liquid and the air paths do not interfere with each other. The pourer may provide a smooth pour with minimal splashing or dripping, and prevention of gurgling.
- It is expected that during the life of a patent maturing from this application many relevant liquid containers and liquid feeding systems will be developed and the scopes of the corresponding terms are intended to include all such new technologies a priori.
- The terms "comprises", "comprising", "includes", "including", "having" and their conjugates mean "including but not limited to".
- The term "consisting of" means "including and limited to".
- As used herein, the singular form "a", "an" and "the" include plural references unless the context clearly dictates otherwise.
- It is appreciated that certain features of the invention, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment, and the above description is to be construed as if this combination were explicitly written. Conversely, various features of the invention, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable subcombination or as suitable in any other described embodiment of the invention, and the above description is to be construed as if these separate embodiments were explicitly written. Certain features described in the context of various embodiments are not to be considered essential features of those embodiments, unless the embodiment is inoperative without those elements.
- Although the invention has been described in conjunction with specific embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art. The appended claims define the invention.
Claims (12)
- A liquid pourer for a container of liquid, comprising:a telescopic spout (12, 112), said telescopic spout comprising a body for attaching to an opening in a liquid container, a first telescoping part and a second telescoping part; the body comprising a rim (30) for fixing onto an opening in said liquid container; anda liquid uptake structure (18, 118) aligned to provide liquid to said spout, said liquid uptake structure (18, 118) having a first end towards said spout and a second end towards a depth of said container, the structure comprising:first openings radially distributed around said structure at said first end;second openings (20) radially distributed around said structure at said second end, said second openings comprising gaps between extensions (22) radially distributed around said structure and extending towards said second end;a third opening centrally located at said second end, the liquid uptake structure (18, 118) thereby to provide an airflow path through said second openings and a principle liquid flow path separate from said airflow path through said third opening; anda ring (24) radially inwardly of said extensions (22) to define a radial separation between said airflow path and said liquid path, said airflow path surrounding said liquid path, wherein said body holds said telescoping spout parts in line with said liquid uptake structure.
- The liquid pourer of claim 1, wherein said extensions are longitudinal fins arranged cylindrically and said airflow openings are slits between said fins.
- The liquid pourer of claim 1, wherein said first openings comprise slits in said liquid uptake structure (18, 118) towards said upper end.
- The liquid pourer of claim 1, wherein liquid flow into said spout is from some of said first openings, from between said extensions and said ring (24) and from within said ring and wherein bubble formation is outside of said extensions and between said ring and said extensions.
- The liquid pourer of claim 1, wherein liquid flow into said spout is from some of said first openings, from submerged ones of said second openings and from said third opening and wherein bubble formation is outside of non-submerged ones of said second openings.
- The liquid pourer of claim 1, wherein said telescopic spout (12, 112) is tensioned to extend upon opening.
- The liquid pourer of claim 1, wherein an end of said telescopic spout (12, 112) is connected to a cap such as to be pulled to an extended position upon opening of said cap.
- The liquid pourer of any one of the preceding claims, wherein said rim (30) comprises a snap fit structure (34, 134).
- The liquid pourer of claim 8, wherein said snap fit structure (34, 134) comprises an upper rim part extending radially beyond said opening, a wall extending radially to fit tightly within said opening and a lower rim extending beyond said wall to fit past said opening in a snapping movement and to prevent easy removal from said opening.
- A container having a liquid pourer according to any one of claims 1 to 9.
- A method of providing a smooth pour liquid container comprising obtaining a liquid pourer according to claims 1 - 9, and attaching said liquid pourer to a liquid container.
- A method of smoothly pouring a liquid, comprising obtaining a liquid container having a liquid pourer according to any one of claims 1 to 9, opening said pourer and pouring said liquid.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US201562166157P | 2015-05-26 | 2015-05-26 | |
PCT/IL2016/050538 WO2016189528A1 (en) | 2015-05-26 | 2016-05-24 | Smooth pour directionless liquid dispenser |
Publications (3)
Publication Number | Publication Date |
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EP3303164A1 EP3303164A1 (en) | 2018-04-11 |
EP3303164B1 true EP3303164B1 (en) | 2023-07-12 |
EP3303164C0 EP3303164C0 (en) | 2023-07-12 |
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Application Number | Title | Priority Date | Filing Date |
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EP16730505.1A Active EP3303164B1 (en) | 2015-05-26 | 2016-05-24 | Smooth pour directionless liquid dispenser |
Country Status (3)
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US (1) | US10377537B2 (en) |
EP (1) | EP3303164B1 (en) |
WO (1) | WO2016189528A1 (en) |
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Publication number | Priority date | Publication date | Assignee | Title |
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US10377537B2 (en) | 2015-05-26 | 2019-08-13 | Jumpn'pour Ltd. | Smooth pour directionless liquid dispenser |
US11261010B2 (en) * | 2018-07-11 | 2022-03-01 | Robert MARCIANO | Liquid dispenser with retractable spout |
CA3229474A1 (en) * | 2019-09-24 | 2021-03-24 | Scribe OpCo, Inc., dba BIC Graphic | 360 degree lid |
FR3116645B1 (en) * | 2020-11-23 | 2022-11-25 | Jce Biotechnology | Waterproof device giving access to an enclosure, as well as corresponding system for waterproof connection between two enclosures |
Family Cites Families (19)
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US2695736A (en) * | 1950-09-25 | 1954-11-30 | Continental Can Co | Container structure with antigurgle pouring spout |
US2785839A (en) | 1954-12-29 | 1957-03-19 | Schenley Ind Inc | Universal dispensing closure for bottles |
US3040938A (en) | 1958-02-17 | 1962-06-26 | Rieke Metal Products Corp | Vented pour spout |
US3217935A (en) * | 1964-05-11 | 1965-11-16 | Procter & Gamble | Pouring fitment |
US4105141A (en) * | 1976-12-09 | 1978-08-08 | Waddington & Duval (Holdings) Limited | Pouring device |
US4294382A (en) | 1979-07-26 | 1981-10-13 | Riche Corporation | Container closure device |
US4295583A (en) * | 1979-08-09 | 1981-10-20 | Rieke Corporation | Closure cap vent |
US4568006A (en) * | 1982-06-03 | 1986-02-04 | American Flange & Manufacturing Co. Inc. | Nestable self-venting spout |
US5005726A (en) * | 1988-12-22 | 1991-04-09 | Robbins Edward S | Composite container assemblies |
US6026994A (en) | 1998-08-04 | 2000-02-22 | Rigel; Doron | Spout assemblies for bottles |
CA2346114C (en) * | 1998-12-10 | 2008-02-19 | Ron Sturk | Flow vented and pressure vented closures |
US6976610B2 (en) * | 2003-06-25 | 2005-12-20 | Doron Rigel | Retractable spout assembly for bottles |
WO2009105855A1 (en) * | 2008-02-27 | 2009-09-03 | Apc Products Limited | Closures for plastic containers adapted for automated insert molding |
US8430279B2 (en) * | 2010-04-29 | 2013-04-30 | Doron Rigel | Bottle accessory for application with a cap to a bottle, particularly useful for attaching a retractable spout to a bottle |
US8814004B2 (en) * | 2012-09-11 | 2014-08-26 | Letica Corporation | Tamper evident pull-out spout |
WO2014181337A2 (en) | 2013-05-09 | 2014-11-13 | Doron Rigel | Retractable spout assemblies |
US9908669B2 (en) * | 2014-10-09 | 2018-03-06 | Container Packaging Systems, Inc. | Anti-glug device for liquid containers and pour spouts |
US9669972B2 (en) * | 2014-10-09 | 2017-06-06 | Container Packaging Systems, Inc. | Anti-glug device for liquid containers and pour spouts |
US10377537B2 (en) | 2015-05-26 | 2019-08-13 | Jumpn'pour Ltd. | Smooth pour directionless liquid dispenser |
-
2016
- 2016-05-24 US US15/576,309 patent/US10377537B2/en active Active
- 2016-05-24 WO PCT/IL2016/050538 patent/WO2016189528A1/en active Application Filing
- 2016-05-24 EP EP16730505.1A patent/EP3303164B1/en active Active
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US20180208369A1 (en) | 2018-07-26 |
EP3303164A1 (en) | 2018-04-11 |
EP3303164C0 (en) | 2023-07-12 |
US10377537B2 (en) | 2019-08-13 |
WO2016189528A1 (en) | 2016-12-01 |
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